Fireman s hose-nozzle



' (No Model.) 2 Sheetsr-Sheet 1.

J. BUSHAF PIRBMANS HOSE NOZZLE.

Patented Feb. 23 1897.

AWN

(No Model.) 2 Sheets-Sheet 2 J. BUSHA. I FIREMAN'SVHOSE NOZZLE.

N0 .57'7,717. I Patented Feb. 23, l897.

NITED STATES PATENT OFFICE.

. FIREMANS HOSE-NOZZLE.

SPECIEIGKTION forming part of Letters Patent N 0. 577,717, datedFebruary 23, 1897. A pli tion filed February 24, 1896. $eria1No.580,419. (No model.)

To all whom it may concern:

Be it known that I, JOSEPH BUSHA, a citizen of the United States,residing at Pittsburg, in the county of Allegheny and State ofPennsylvania, have invented certain new and useful Improvements inFiremens Hose-Nozzles; .and I do declare the following to be a full,clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame, reference being had to the accompanying drawings, and to the.letters of reference marked thereon, which form a part of thisspecification.

This invention has particular reference to that type of nozzles forfiremens use constructed to throw a solid stream alone or both a sprayand solid stream together at the will of the operator; and it consistsin certain peculiarities of construction substantially as hereinafterdescribed, and particularly ;pointed out in the subjoined claims.

In the accompanying drawings, illustrating the invention, Figure 1 is anelevation of that part of a firemens nozzle embodying my improvements.Fig. 2 is a sectional view of the same, showing the enlet to thesprayingchamber closed. Fig. 3 is an inverted plan view of the upperhalf of the shell of the spray-chamber. 4 is a section on the line 4 4of Fig. 3. Figs. 5 and 6 are views of the tube through which the solidstream flows, looking at different sides thereof. Fig. 7 is a detailview of a slightly-modified form of tube. Fig. 8 is an inverted planView of a slightly-modified form of upper half of the shell of thespraying-chamber, and Fig. 9 is a longitudinal sectional view of thedevice with the valve away from its seat. Fig. 10 is a horizontalsection on the line 10 10 of Fig. 1.

The same letters of reference designate the same parts in the severalfigures.

A designates the inlet end of the shell of the nozzle, into which thepipe or hose-collar is screwed in the well-known manner.

B designates a tube, open from end to end, through which the solidstream flows, and O designates the nozzle-tip, threaded upon the outerend of said tube B and from which said solid stream issues.

The shell of the spraying attachment consists, preferably, of a rearsection D and a forward section D, threaded together at their adjacentends and dished or concaved to form a chamber E, surrounding said tubeB, and

bers E and E is formed with an annular flange D the opening throughwhich is of somewhat greater diameter than the tube B, so as to leave awater-passage around the tube from one of said chambers to the other, asshown in Fig. 10. This flange forms a seat for a valve B, carried by theinner end of said tube.

When the valve is upon its seat, chamber E has no communication withchamber E, whereby the water is caused to flow only through tube B andtip 0 and to issue from the latter in a solid stream; but when it isaway from its seat said chambers will be in communication with eachother, so that the stream will be divided, one portion flowing fromchamber E into chamber E and issuing from the latter in the form ofspray through openings, hereinafter described, in section D of theshell, while the other part will flow from said chamber E into andthrough tube B and tip 0.

The valve is moved to and from its seat by causing tube B to movelongitudinally when turned, and this movement is producechpreferably, bythe coaction of a cam and a pin, (or cams and pins,) one of which isstationary and the other affixed to the tube. In the construction hereinshown said tube is formed with laterally-projecting pins F, received byopenings formed in a stationary sleeve G, encircling said tube B,andengaging rearward lycurved walls of said openings, said walls formingthe cams 9, whereby when the tube is turned in one direction the pinswill be caused to slide rearward upon the cams, thus moving the tubesimilarly and carrying the valve away from its seat, and when the tubeis turned in the opposite direction the valve will in like manner bemoved forward to its seat. At each end of the cams g is a recess g,which recesses form seats for the pins at each extremity of the movementof the latter.

The valve B is hollow and encircles the lower end of tube B. The bestresults will be obtained if said valve and the flange D are beveled, asshown. The tube B will preferably be provided with wings H, engaging theflange D and serving to obviate any tendency of the tube to wabble, andthe pins F may have strengthening-pieces F, extending longitudinally ofand secured to said tube. The wall of the tube may be reduced inthickness to form a recess for a packing-ring I, and the forward end ofthe shell may be provided with a stuffing-box J to prevent leakagearound the tube.

Any suitable means by which the tube B may be turned may be provided,but I prefer to employ the collar K, threaded upon said tube and havinga roughened outer surface, as shown. To keep said tube from movement bythe joltlng to which the nozzle is subjected while being drawn fromplace to place, or -when turned upon its end, a spring L, seated upon aflange l at the rear end of section A and engaging at its other end therear extremity of the tube, is employed. The spray-openings may consistof a serie of slots M, as shown in Fig. 8, but I prefer to form them bycutting a circular slot M in the forward end of section D, which isspannedby'a series of ribsN, attached to the inner wall of said section.Each of these ribs is formed with a recess a, registering with said slotM, which recesses cause the water to consolidate as it leaves theopenings. The walls of the slots M or M are preferablybeveled, as shownin Figs. at and 8. v

From the above it will be seen that I have provided a nozzle of verysimple and practical construction, which may be quickly and easilyadjusted to throw either a solid stream alone or both a solid stream andspray, and one having few or no parts liable to get out of order, andwhich may be quickly put together or taken apart whenever desired, andalso one in which access to all of the parts may readily be had. 'I donot wish to be understood as limiting myself to the detail constructionherein described and shown, as many of the parts may be varied withoutdeparting from the spirit of the invention.

Having thus described my invention, what I believe to be new, and desireto secure by Letters Patent, is-

1 A firemans hose-nozzle of the class described, consisting of a shell,formed to provide an enlarged chamber at its forward end, said chamberhaving spraying-openings in its front wall and also having alinedopenings in its front and rear walls, a valve-seat encircling theopening in its rear wall and a sleeve encircling the opening in theforward wall'and projecting into said chamber, said sleeve being formedwith a cam-groove; a freely-movable tube extending through said sleeveand chamber and having a pin engaging said camgroove; a valve encirclingthe inlet end of said tube; and a nozzle-tip at the opposite endthereof, substantially as described.

2. A firemans hose-nozzle of the class described, consisting of a shell,embodying a rear section having an inlet-opening and an annular flangeforming a valve-seat encircling said opening, and a forward sectionformed with spraying-openings and having a central sleeve projectinginward toward said valveseat and formed with a cam groove, said sectionsbeing threaded together and dished in opposite directions, to formconjointly a widened chamber; a freely-movable tube extending throughsaid sleeve and chamber and having a pin engaging said cam-groove; a

valve encircling the inlet end of said tube,

and a nozzle-tip at the opposite endthereof, substantially as described.a

3. A firemanshose-nozzle of the class described, consistingof a shell,embodying a rear section, consistingof anannular flange forming avalve-seat, a dished endextending forwardly from said flangeand a.tubular extension projecting rearward from said flange; a forwardsection, consisting of a dished rear end having sprayingropenings, andacentral sleeve projecting toward said valve-seat and formed with acam-groove; said tubular extension of the rear extension being ofgreater inside diameter than the opening through said flange; and acollar onthe rear end of said extension; a freely-movable tube extendingloosely through said sleeve and flange and having a pin engaging saidcam-groove; a valve encircling the inlet end of said tube; and anozzle-tip at the opposite end of the'latter.

4. A firemans hose-nozzle of the class described, consisting of a shellformed to provide an enlarged chamber at its forward end and with anannu lar flange having an opening forming the inlet to said chamber, theforward wall of said chamber being formed with spraying-openin gs andwith a sleeve projecting inward toward said flange, said sleeve beingformed, at diametrically opposite sides, with cam-grooves which arecurved in opposite directions and withrecesses at each end of eachgroove; a tube, extending through said sleeve and flange and providedwith pins engaging said cam-grooves; a valve encircling the inlet end ofsaid tube; and a nozzle-tip at the outlet end of the latter.

5. A firemans hose-nozzle of the class described, consisting of a shellformed to pro-= vide a forward enlarged chamber and a rear chamber andhaving an annular flange between said chambers, the front wall of saidforward chamberbeing formed with sprayingopenings and with a sleeveprojecting inward toward said flange, said sleeve having a cam groove; atube, extendin g loosely throughsaid sleeve and flange and provided witha pin engaging said cam-groove; a valve, encircling theinlet end of saidtube and controlling com- IIO munication between said chambers; anozzleregistering therewith to cause the water to tip at the outlet endof said tube; and a coiled consolidate as it leaves the latter. 1ospring seated in the rear chamber of the shell In testimony whereof Iaffix my signature and engaging said valve. in presence of twoWitnesses.

6. In a spraying-nozzle, the combination JOSEPH BUSHA. with the shellhaving an annular opening for Witnesses: the issue of the spray, of aseries of ribs, span- JOHN L. RALPH,

ning said opening and formed with recesses THOS. RALPH.

